Rong-Guo Yang, Chao-Xia Zhang, Ni Li, Jing Zhang, Jiang-Rui Gao. Quantum manipulation of entanglement enhancement in cascaded four-wave-mixing process [J]. Acta Physica Sinica, 2019, 68(9): 094205-1
- Acta Physica Sinica
- Vol. 68, Issue 9, 094205-1 (2019)
Fig. 1. Cascaded four-wave mixing process in hot vapor.相位敏感的级联四波混频系统
Fig. 2. Two pair of quantum entanglement as a function of intensity factor
. Red dashed line corresponds to
and red solid line corresponds to
.
量子纠缠随强度因子
的函数变化图, 其中红虚线为
, 红实线为
Fig. 3. Contour plots for
with different intensity gains: (a)
; (b)
; (c)
; (d)
.
不同强度因子下第二级四波混频过程产生的两束光纠缠
的等值线图 (a)
; (b)
; (c)
; (d)
Fig. 4. Entanglement of probe
conjugate
beams as a function of the phase
for various values of the intensity gain.
探针光
与耦合光
的纠缠随相位
的变化
Fig. 5. Contour plot for
with different intensity gains: (a)
; (b)
; (c)
; (d)
.
不同强度因子下第二级四波混频过程产生的两束光纠缠
的等值线图 (a)
; (b)
; (c)
; (d)
Fig. 6. Entanglement of probe
conjugate
beams as a function of the phase
for various values of the intensity gain.
探针光
与耦合光
的纠缠随相位
的变化
Fig. 7. Two pair of quantum entanglement versus phase
: (a)
,
; (b)
,
相位
对两对量子纠缠的影响 (a)
,
; (b)
,
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